The pre-tax or post-tax price depends on the location of the order. - For countries (for example, "US". where price attribute excludes tax, this field corresponds to the pre-tax value. - For coutries (for example, "France") where price attribute includes tax, this field corresponds to the post-tax value .
Tax value, present only for countries where price attribute excludes tax (for example, "US". No tax is referenced as 0 value with the corresponding currency.